Question

______________is the main natural source of water.

Answer 1

Rainwater:

1. The natural source of water is rainwater.
2. Evaporation of water takes place from lakes, rivers, seas, and oceans.
3. During the evaporation process, the impurities are removed.
4. The water that falls on the surface of the earth as rain is almost pure.
5. Nowadays the rainwater is also contaminated due to the increase in pollution in the environment, the rainwater also contains chemicals like sulphuric acid which causes acid rains.

Final answer: Rainwater is the main natural source of water.